Contributing RCPTT 2.2.0 RC1 for Oxygen RC1 build.

Change-Id: Idd8c5f5b19c562d985cd546415f4190a3485c8df
Signed-off-by: Andrey Sobolev <haiodo@gmail.com>
diff --git a/rcptt.aggrcon b/rcptt.aggrcon
index dd3ddbc..34290f4 100644
--- a/rcptt.aggrcon
+++ b/rcptt.aggrcon
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="ASCII"?>
 <aggregator:Contribution xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:aggregator="http://www.eclipse.org/cbi/p2repo/2011/aggregator/1.1.0" label="RCPTT">
-  <repositories location="http://download.eclipse.org/rcptt/milestone/2.2.0/M6b/repository/">
+  <repositories location="http://download.eclipse.org/rcptt/milestone/2.2.0/RC1/repository/">
     <features name="org.eclipse.rcptt.platform.feature.group" versionRange="2.2.0">
       <categories href="simrel.aggr#//@customCategories[identifier='Testing']"/>
     </features>